Below is a list of Hadlyme CT zip codes. For your research we have also included Hadlyme Area Code, Time Zone, UTC and the local New London County FIPS Code. Each Hadlyme Connecticut zip code has a center Longitude / Latitude point (the Hadlyme center is -72.406402587891 / 41.420299530029). For your convenience we have also indicated if that zip code in Hadlyme observes Daylight Savings time.